35     fn append_all<I>(&mut self, iter: I)  in append_all()
37         I: IntoIterator,  in append_all()
38         I::Item: ToTokens;  in append_all()
44     fn append_separated<I, U>(&mut self, iter: I, op: U)  in append_separated()  argument
46         I: IntoIterator,  in append_separated()
47         I::Item: ToTokens,  in append_separated()
54     fn append_terminated<I, U>(&mut self, iter: I, term: U)  in append_terminated()  argument
56         I: IntoIterator,  in append_terminated()
57         I::Item: ToTokens,  in append_terminated()
69     fn append_all<I>(&mut self, iter: I)  in append_all()
71         I: IntoIterator,  in append_all()
72         I::Item: ToTokens,  in append_all()
79     fn append_separated<I, U>(&mut self, iter: I, op: U)  in append_separated()  argument
81         I: IntoIterator,  in append_separated()
82         I::Item: ToTokens,  in append_separated()
93     fn append_terminated<I, U>(&mut self, iter: I, term: U)  in append_terminated()  argument
95         I: IntoIterator,  in append_terminated()
96         I::Item: ToTokens,  in append_terminated()